しかし (shikashi)

"しかし、スマホを操作しながらの移動は危ないので絶対にやめましょう。"

However, since it is dangerous to move around while operating a smartphone, let’s stop.

しかしNikoの XX の勉強法？を聞いてると、本当に完璧に近づいていくだろうね。偉いよ。

However, hearing about the way you study XX, I imagine you really will get close to perfect. Very impressive.

"しかし、選挙に出る民主党のヒラリー・クリントンさんと共和党のドナルド・トランプさんは、どちらも人気が低くなっています。"

However, Hillary Clinton who is running for the Democratic Party, and Donald Trump who is running for the Republican Party both are becoming very unpopular.